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Italy
Europe
Seroepidemiologic Studies
Population Surveillance
Vaccination
Infants
Newborn Infant
Legionella pneumophila
Human Herpesvirus 3
Incidence
Age Factors
Age Distribution
Geography
Registries
Antibodies, Viral
Measles-Mumps-Rubella Vaccine
Legionnaires' Disease
Chickenpox
Rubella
Disease Outbreaks
Co-Publications
20
14
13
11
8
6
5
4
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